| 摘要 |
The solution falls within the area of electronic devices and their construction. Thanks to the invention saving of metal and decrease in labour consumption in preproduction and assembly phase is achieved. The number of parts that need to be produced is reduced to a minimum. The assembly lasts much shorter. The principle of the solution is to create plastic touch boards that have four simultaneous functions: They link the touch board with panel without linking parts; they link the board with panel, secure the units in the frame by means of unloseable turnable key that goes through the touch board and enable manual telescoping of the unit from the frame.<IMAGE>
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